1. sfAnsiColorFormatter.class.php
  2. /**
 * sfAnsiColorFormatter provides methods to colorize text to be displayed on a console.
 *
 * @package    symfony
 * @subpackage command
 * @author     Fabien Potencier 
 * @version    SVN: $Id: sfAnsiColorFormatter.class.php 21908 2009-09-11 12:06:21Z fabien $
 */
  3. class sfAnsiColorFormatter extends sfFormatter
  4. {
  5.   protected
  6.     $styles = array(
  7.       'ERROR'    => array('bg' => 'red', 'fg' => 'white', 'bold' => true),
  8.       'INFO'     => array('fg' => 'green', 'bold' => true),
  9.       'COMMENT'  => array('fg' => 'yellow'),
  10.       'QUESTION' => array('bg' => 'cyan', 'fg' => 'black', 'bold' => false),
  11.     ),
  12.     $options    = array('bold' => 1, 'underscore' => 4, 'blink' => 5, 'reverse' => 7, 'conceal' => 8),
  13.     $foreground = array('black' => 30, 'red' => 31, 'green' => 32, 'yellow' => 33, 'blue' => 34, 'magenta' => 35, 'cyan' => 36, 'white' => 37),
  14.     $background = array('black' => 40, 'red' => 41, 'green' => 42, 'yellow' => 43, 'blue' => 44, 'magenta' => 45, 'cyan' => 46, 'white' => 47);
  16.   /**
  17.    * Sets a new style.
  18.    *
  19.    * @param string $name    The style name
  20.    * @param array  $options An array of options
  21.    */
  22.   public function setStyle($name, $options = array())
  23.   {
  24.     $this->styles[$name] = $options;
  25.   }
  27.   /**
  28.    * Formats a text according to the given style or parameters.
  29.    *
  30.    * @param  string   $text       The test to style
  31.    * @param  mixed    $parameters An array of options or a style name
  32.    *
  33.    * @return string The styled text
  34.    */
  35.   public function format($text = '', $parameters = array())
  36.   {
  37.     if (!is_array($parameters) && 'NONE' == $parameters)
  38.     {
  39.       return $text;
  40.     }
  42.     if (!is_array($parameters) && isset($this->styles[$parameters]))
  43.     {
  44.       $parameters = $this->styles[$parameters];
  45.     }
  47.     $codes = array();
  48.     if (isset($parameters['fg']))
  49.     {
  50.       $codes[] = $this->foreground[$parameters['fg']];
  51.     }
  52.     if (isset($parameters['bg']))
  53.     {
  54.       $codes[] = $this->background[$parameters['bg']];
  55.     }
  56.     foreach ($this->options as $option => $value)
  57.     {
  58.       if (isset($parameters[$option]) && $parameters[$option])
  59.       {
  60.         $codes[] = $value;
  61.       }
  62.     }
  64.     return "\033[".implode(';', $codes).'m'.$text."\033[0m";
  65.   }
  67.   /**
  68.    * Formats a message within a section.
  69.    *
  70.    * @param string  $section  The section name
  71.    * @param string  $text     The text message
  72.    * @param integer $size     The maximum size allowed for a line
  73.    * @param string  $style    The color scheme to apply to the section string (INFO, ERROR, COMMENT or QUESTION)
  74.    */
  75.   public function formatSection($section, $text, $size = null, $style = 'INFO')
  76.   {
  77.     if (null === $size)
  78.     {
  79.       $size = $this->size;
  80.     }
  82.     $style = array_key_exists($style, $this->styles) ? $style : 'INFO';
  83.     $width = 9 + strlen($this->format('', $style));
  85.     return sprintf(">> %-{$width}s %s", $this->format($section, $style), $this->excerpt($text, $size - 4 - (strlen($section) > 9 ? strlen($section) : 9)));
  86.   }
  88.   /**
  89.    * Truncates a line.
  90.    *
  91.    * @param string  $text The text
  92.    * @param integer $size The maximum size of the returned string
  93.    *
  94.    * @return string The truncated string
  95.    */
  96.   public function excerpt($text, $size = null)
  97.   {
  98.     if (!$size)
  99.     {
  100.       $size = $this->size;
  101.     }
  103.     if (strlen($text) < $size)
  104.     {
  105.       return $text;
  106.     }
  108.     $subsize = floor(($size - 3) / 2);
  110.     return substr($text, 0, $subsize).$this->format('...', 'INFO').substr($text, -$subsize);
  111.   }
  112. }
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